OpenTechnical

OT-2026-000079899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000079899) never changes.

Identity and time

Publication numberOT-2026-000079899 · never reused
Internal UUID01a0ae96-4376-75c0-b2d0-b5bdb05dcffc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079899
StatusPUBLIC

Content hashes

Canonical texta9c41a3d881e775d2940f97c5394a6c6b85525b1076668a8371f1b702e3b8341
Markdown124a0b1b84d98211a582b96009e0445578ad7965cb1d9f871b1808a940f0e83d
PDF
Publication page5f37945083d44301dfe5970f071e5947bb89dc5b62bead4de0df0ee688147771
Manifest2e7aaedf03ac9fad67b1f3594a155f7bc59db805e5dc7d1a015d897445e1d36d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUckLt1a7gf3BRwun3I9YLZjpRcRKJYZXhlfGFB2jTvMfbvgjrtE5PSP8XWBWpmy1lSb9pEnVih6AieKou+X3CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:47.717519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079899
observed 5f37945083d44301dfe5970f071e5947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.699879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079899/manifest.json
observed 2e7aaedf03ac9fad67b1f3594a155f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.682845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079899/publication.md
observed 124a0b1b84d98211a582b96009e04455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.666177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079899/publication.txt
observed a9c41a3d881e775d2940f97c5394a6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.